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Finding the Fourth Proportional to 356,320.64, 533,737.28 and 213,713.66

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Solution

The fourth proportional to 356,320.64, 533,737.28 and 213,713.66 is: 320,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,320.64 : 533,737.28 = 213,713.66 : x
  2. Step 2: Convert to fraction form
    356,320.64/533,737.28 = 213,713.66/x
  3. Step 3: Cross multiply
    356,320.64x = 533,737.28 × 213,713.66
  4. Step 4: Simplify right side
    356,320.64x = 114,066,949,455.87
  5. Step 5: Solve for x
    x = 114,066,949,455.87/356,320.64
  6. Step 6: Final answer
    x = 320,124.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.